Exposure
- ID
- GRAVI.2023-07-30T23:59:01.893_1
- Header ID
- GRAVI.2023-07-30T23:59:01.893
- Date updated
- 2023-07-31 00:15:22 UTC+0000
- Release date
- 2023-07-30 23:59:01 UTC+0000
- UTC Start
- 2023-07-30 23:59:01.893
- UTC End
- 2023-07-31 00:05:01.893
- MJD Start
- 60155.99932746
- MJD End
- 60156.003494126664
- Exposure time (s)
- 360.0
- Validation level
- 1
- Tau 0: Coherence time (s)
- 0.004176
- Ambient temperature (°C)
- 18.09
- Seeing (arcsec)
- 0.8200000000000001
Observation
- ID
- 56471
- Category
- calibrator
- Program ID
- 111.24H1.004
- Program Title
- THE GALACTIC CENTER WITH GRAVITY - PROBING EVENT HORIZON SCALE PHYSICS WITH STARS AND FLARES
- Program Type
- GTO
- PI / COI
- EISENHAUER/ GILLESSEN/ GENZEL/ OTT/ STRAUBMEIER/ BRANDNER/ ROUSSELET-PERRAUT/ PERRIN/ GARCIA/ ECKART/ DE ZEEUW/ WIDMANN/ PAUMARD/ HORROBIN/ VINCENT/ DRESCHER/ BOURDAROT/ CAO/ LUTZ/ STURM/ RIBEIRO
Target
- ID
- 41848
- Name
- R2
- RA
- 266.416717
- DEC
- -29.00707
Instrument
Projected baselines
| Baseline | Length start | Length end | Angle start | Angle end |
|---|---|---|---|---|
| U1-U2 | 56.3940 | 56.4160 | 11.7000 | 12.5000 |
| U1-U3 | 101.6430 | 101.7370 | 17.4000 | 18.4000 |
| U1-U4 | 123.8370 | 124.5170 | 43.9410 | 45.0470 |
| U2-U3 | 45.8810 | 45.9660 | 24.5000 | 25.5000 |
| U2-U4 | 81.9010 | 82.6930 | 65.5200 | 66.5520 |
| U3-U4 | 56.0800 | 56.7370 | 98.0200 | 98.7090 |
Header: used keywords
| Key | Value |
|---|---|
| HIERARCH ESO OBS PROG ID | 111.24H1.004 |
| HIERARCH ESO DPR CATG | CALIB |
| HIERARCH ESO DPR TYPE | STD,DUAL |
| MJD-OBS | 60155.99932746 |
| HIERARCH ESO DPR TECH | INTERFEROMETRY,WOLLASTON |
| HIERARCH ESO OBS TARG NAME | IRS16C |
| HIERARCH ESO INS SOBJ NAME | R2 |
| RA | 266.416717 |
| DEC | -29.00707 |
| HIERARCH ESO INS SPEC RES | LOW |
| HIERARCH ESO INS POLA MODE | SPLIT |
| HIERARCH ESO ISS CONF NTEL | 4 |
| HIERARCH ESO ISS CONF STATION1 | U1 |
| HIERARCH ESO ISS CONF STATION2 | U2 |
| HIERARCH ESO ISS CONF STATION3 | U3 |
| HIERARCH ESO ISS CONF STATION4 | U4 |
| EXPTIME | 389.0 |
| HIERARCH ESO DET2 SEQ1 DIT | 30.0 |
| HIERARCH ESO DET2 NDIT | 12 |
| HIERARCH ESO ISS PBL12 START | 56.394 |
| HIERARCH ESO ISS PBL12 END | 56.416 |
| HIERARCH ESO ISS PBLA12 START | 11.7 |
| HIERARCH ESO ISS PBLA12 END | 12.5 |
| HIERARCH ESO ISS PBL13 START | 101.643 |
| HIERARCH ESO ISS PBL13 END | 101.737 |
| HIERARCH ESO ISS PBLA13 START | 17.4 |
| HIERARCH ESO ISS PBLA13 END | 18.4 |
| HIERARCH ESO ISS PBL14 START | 123.837 |
| HIERARCH ESO ISS PBL14 END | 124.517 |
| HIERARCH ESO ISS PBLA14 START | 43.941 |
| HIERARCH ESO ISS PBLA14 END | 45.047 |
| HIERARCH ESO ISS PBL23 START | 45.881 |
| HIERARCH ESO ISS PBL23 END | 45.966 |
| HIERARCH ESO ISS PBLA23 START | 24.5 |
| HIERARCH ESO ISS PBLA23 END | 25.5 |
| HIERARCH ESO ISS PBL24 START | 81.901 |
| HIERARCH ESO ISS PBL24 END | 82.693 |
| HIERARCH ESO ISS PBLA24 START | 65.52 |
| HIERARCH ESO ISS PBLA24 END | 66.552 |
| HIERARCH ESO ISS PBL34 START | 56.08 |
| HIERARCH ESO ISS PBL34 END | 56.737 |
| HIERARCH ESO ISS PBLA34 START | 98.02 |
| HIERARCH ESO ISS PBLA34 END | 98.709 |
| HIERARCH ESO ISS AMBI TAU0 START | 0.003873 |
| HIERARCH ESO ISS AMBI TAU0 END | 0.004479 |
| HIERARCH ESO ISS AMBI TEMP | 18.09 |
| HIERARCH ESO ISS AMBI FWHM START | 0.88 |
| HIERARCH ESO ISS AMBI FWHM END | 0.76 |
| HIERARCH ESO FT ROBJ NAME | IRS16C |
| HIERARCH ESO FT ROBJ ALPHA | 174540.1060 |
| HIERARCH ESO FT ROBJ DELTA | -290027.5220 |